/*!
 * dialogBox 0.0.1
 * by Liuyuchao
 * Copyright 2015.3
 * Date: Wed Mar 25 2015
 */
(function ($, window, document) {

    var pluginName = 'dialogBox',
 		defaults = {

 		    width: '426px', //弹出层宽度
 		    height: '223px',  //弹出层高度
 		    autoSize: true,  //是否自适应尺寸,默认自适应
 		    autoHide: false,  //是否自自动消失，配合time参数共用
 		    time: 3000,  //自动消失时间，单位毫秒
 		    zIndex: 99999,  //弹出层定位层级
 		    closeMask: true,
 		    hasMask: false,  //是否显示遮罩层
 		    hasClose: false,  //是否显示关闭按钮
 		    hasBtn: false,  //是否显示操作按钮，如取消，确定
 		    confirmValue: null,  //确定按钮文字内容
 		    confirm: function () { }, //点击确定后回调函数
 		    cancelValue: null,  //取消按钮文字内容
 		    cancel: function () { },  //点击取消后回调函数，默认关闭弹出框
 		    effect: '', //动画效果：fade(默认),newspaper,fall,scaled,flip-horizontal,flip-vertical,sign,
 		    type: 'normal', //对话框类型：normal(普通对话框),correct(正确/操作成功对话框),error(错误/警告对话框)
 		    icontype: 'warn-icon',
 		    title: '',  //标题内容，如果不设置，则连同关闭按钮（不论设置显示与否）都不显示标题
 		    content: ''  //正文内容，可以为纯字符串，html标签字符串，以及URL地址，当content为URL地址时，将内嵌目标页面的iframe。

 		};

    function DialogBox(element, options) {

        this.element = element;
        this.settings = $.extend({}, defaults, options);
        this.init();
    }

    DialogBox.prototype = {

        //初始化弹出框
        init: function () {
            var that = this,
 				element = this.element;
            //隐藏其他框
            $('.dialog-box').hide();
            that.render(element);
            that.setStyle(element);
            that.show(element);
            that.trigger(element);
        },

        //创建弹出框
        create: function (element) {
            var that = this,
 				$this = $(element),
 				title = that.settings.title,
 				hasBtn = that.settings.hasBtn,
 				hasMask = that.settings.hasMask,
 				hasClose = that.settings.hasClose,
 				confirmValue = that.settings.confirmValue,
 				cancelValue = that.settings.cancelValue,
 				dialogHTML = [];


            if (!title) {
                dialogHTML[0] = '<section class="dialog-box" id="' + $this.attr('id') + '"><div class="dialog-box-container"><div class="dialog-box-content"></div>';
            } else {
                if (!hasClose) {
                    dialogHTML[0] = '<section class="dialog-box" id="' + $this.attr('id') + '"><div class="dialog-box-container"><div class="dialog-box-title"><h3>' + title + '</h3></div><div class="dialog-box-content"></div>';
                } else {
                    dialogHTML[0] = '<section class="dialog-box" id="' + $this.attr('id') + '"><div class="dialog-box-container"><div class="dialog-box-title"><h3>' + title + '</h3><span class="dialog-box-close" >×</span></div><div class="dialog-box-content "></div>';
                }
            }

            if (!hasBtn) {
                dialogHTML[1] = '</div></section>';
            } else {
                if (confirmValue && cancelValue) {
                    dialogHTML[1] = '<div class="dialog-btn"><span class="dialog-btn-confirm">' + confirmValue + '</span><span class="dialog-btn-cancel">' + cancelValue + '</span></div></div></section>';
                } else if (cancelValue) {
                    dialogHTML[1] = '<div class="dialog-btn"><span class="dialog-btn-cancel">' + cancelValue + '</span></div></div></section>';
                } else if (confirmValue) {
                    dialogHTML[1] = '<div class="dialog-btn"><span class="dialog-btn-confirm">' + confirmValue + '</span></div></div></section>';
                } else {
                    dialogHTML[1] = '<div class="dialog-btn"><span class="dialog-btn-confirm">确定</span><span class="dialog-btn-cancel">取消</span></div></div></section>';
                }
            }

            if (!hasMask) {
                dialogHTML[2] = '';
            } else {
                dialogHTML[2] = '<div id="dialog-box-mask"></div>';
            }

            return dialogHTML;
        },

        //渲染弹出框
        render: function (element) {
            var that = this,

 				$this = $(element),
                 id = $this.attr('id'),
 				dialogHTML = that.create($this),
 				$content = that.parseContent(element);

            $this.replaceWith(dialogHTML[0] + dialogHTML[1]);

            if (typeof ($content) === 'object') {
                $content.appendTo('.dialog-box-content');
                // $content.appendTo('#' + id);
            } else {
                $('.dialog-box-content').append($content);
                //$('#' + id).append($content)
            }

            $('body').append(dialogHTML[2]);
        },

        //解析并处理弹出框内容
        parseContent: function (element) {
            var that = this,
                $this = $(element),
                 id = $this.attr('id'),
 				content = that.settings.content,
 				width = that.settings.width,
 				height = that.settings.height,
 				type = that.settings.type,
 				$iframe = $('<iframe>'),
 				random = '?tmp=' + Math.random(),
 				urlReg = /^(https?:\/\/|\/|\.\/|\.\.\/)/;

            if (urlReg.test(content)) {

                $iframe.attr({
                    src: content + random,
                    frameborder: 'no',
                    scrolling: 'no',
                    name: 'dialog-box-iframe',
                    id: 'dialog-box-iframe'
                })
 				.on('load', function () {

 				    //动态自适应iframe高度;
 				    var $iframe = $(window.frames['dialog-box-iframe'].document),
 						$iframeBody = $(window.frames['dialog-box-iframe'].document.body),
 						iframeWidth = $iframe.outerWidth() - 8,
 						iframeHeight = $iframe.outerHeight() - 16,
 						//$dialogBox = $('.dialog-box'),
                        $dialogBox = $("#"+id),
 						$content = $('.dialog-box-content'),
 						$container = $('.dialog-box-container');

 				    dialogBoxWidth = iframeWidth + 40;
 				    dialogBoxHeight = iframeHeight + 126;

 				    if (that.settings.autoSize) {
 				        $(this).width(iframeWidth);
 				        $(this).height(iframeHeight);

 				        $iframeBody.css({
 				            margin: '0',
 				            padding: '0'
 				        });

 				        $content.css({
 				            width: iframeWidth + 'px',
 				            height: iframeHeight + 'px'
 				        });

 				        $container.css({
 				            width: dialogBoxWidth + 'px',
 				            height: dialogBoxHeight + 'px'
 				        });

 				        $dialogBox.css({
 				            width: dialogBoxWidth,
 				            height: function () {
 				                if (type === '' || type === 'normal') {
 				                    return dialogBoxHeight + 'px';
 				                } else if (type === 'error' || type === 'correct') {
 				                    dialogBoxHeight = dialogBoxHeight + 8;
 				                    return dialogBoxHeight + 'px';
 				                }
 				            },
 				            'margin-top': function () {
 				                if (type === '' || type === 'normal') {
 				                    return -Math.round(dialogBoxHeight / 2) + 'px';
 				                } else if (type === 'error' || type === 'correct') {
 				                    dialogBoxHeight = dialogBoxHeight + 4;
 				                    return -Math.round(dialogBoxHeight / 2) + 'px';
 				                }
 				            },
 				            'margin-left': -Math.round(dialogBoxWidth / 2) + 'px'
 				        });

 				    } else {
 				        $(this).width(that.settings.width - 40);
 				        $(this).height(that.settings.height - 126);
 				    }
 				});
                return $iframe;
            } else {
                return '<i class="dialog-box-content-inner ' + that.settings.icontype + '">' + content + '</i>';
            }
        },

        //显示弹出框
        show: function (element) {
            var $this = $(element),
                  id = $this.attr('id');
            // $('.dialog-box').css({ display: 'block' });
            $('#' + id).css({ display: 'block' });
            setTimeout(function () {
                //$('.dialog-box').addClass('show');
                $('#' + id).addClass('show');
            }, 50)

            $('#dialog-box-mask').show();
        },

        //隐藏弹出框
        hide: function (element) {
            var that = this,
                $this = $(element),
                id = $this.attr('id'),
 				$dialogBox = $('#' + id),
 				$iframe = $('#dialogBox-box-iframe');

            $dialogBox.removeClass('show');

            setTimeout(function () {
                if ($iframe) {
                    $iframe.attr('src', '_blank');
                }

                $dialogBox.replaceWith('<div id="' + id + '"></div/>');
                if (that.settings.closeMask) { $('#dialog-box-mask').hide(); }

            }, 150)
        },

        //设置弹出框样式
        setStyle: function (element) {
            var that = this,
                 $this = $(element),
                 id = $this.attr('id'),
 				//$dialog = $('.dialog-box'),
               	$dialog = $('#' + id),
 				$container = $('.dialog-box-container'),
 				$content = $('.dialog-box-content'),
 				$mask = $('#dialog-box-mask'),
 				type = that.settings.type,
 				EFFECT = 'effect';

            //弹出框外框样式
            $dialog.css({
                width: function () {
                    if (that.settings.width) {
                        return that.settings.width + 'px';
                    } else {
                        return;
                    }
                },
                height: function () {
                    if (that.settings.height) {
                        if (type === '' || type === 'normal') {
                            return that.settings.height + 'px';
                        } else if (type === 'error' || type === 'correct') {
                            return that.settings.height + 4 + 'px';
                        }
                    } else {
                        return;
                    }
                },
                'margin-top': function () {
                    var height;
                    if (type === '' || type === 'normal') {
                        height = that.settings.height;
                    } else if (type === 'error' || type === 'correct') {
                        height = that.settings.height + 4;
                    }
                    return -Math.round(height / 2) + 'px';
                },
                'margin-left': function () {
                    var width = $(this).width();
                    return -Math.round(width / 2) + 'px';
                },
                'z-index': that.settings.zIndex
            });

            //弹出框内层容器样式
            $container.css({
                width: function () {
                    if (that.settings.width) {
                        return that.settings.width + 'px';
                    } else {
                        return;
                    }
                },
                height: function () {
                    if (that.settings.height) {
                        return that.settings.height + 'px';
                    } else {
                        return;
                    }
                },
            });

            //弹出框内容样式
            $content.css({
                width: function () {
                    if (that.settings.width) {
                        return that.settings.width - 80 + 'px';
                    } else {
                        return;
                    }
                },
                height: function () {
                    if (that.settings.height) {
                        return that.settings.height - 126 + 'px';
                    } else {
                        return;
                    }
                }
            });

            //遮罩层样式
            $mask.css({
                height: $(document).height() + 'px'
            });


            //判断弹出框类型
            switch (that.settings.type) {
                case 'correct':
                    $container.addClass('correct');
                    break;
                case 'error':
                    $container.addClass('error');
                    break;
                default:
                    $container.addClass('normal');;
                    break;
            }

            //弹出框多种动画效果
            switch (that.settings.effect) {
                case 'newspaper':
                    $dialog.addClass(EFFECT + '-newspaper');
                    break;
                case 'fall':
                    $dialog.addClass(EFFECT + '-fall');
                    break;
                case 'scaled':
                    $dialog.addClass(EFFECT + '-scaled');
                    break;
                case 'flip-horizontal':
                    $dialog.addClass(EFFECT + '-flip-horizontal');
                    break;
                case 'flip-vertical':
                    $dialog.addClass(EFFECT + '-flip-vertical');
                    break;
                case 'sign':
                    $dialog.addClass(EFFECT + '-sign');
                    break;
                default:
                    $dialog.addClass(EFFECT + '-fade');
                    break;
            }

        },

        //弹出框触屏器(系列事件)
        trigger: function (element, event) {
            var that = this,
 				$this = $(element);

            $('.dialog-box-close,.dialog-btn-cancel,.dialog-btn-confirm').on('click', function () {
                that.hide($this);
            });

            $(document).keyup(function (event) {
                if (event.keyCode === 27) {
                    that.hide($this);
                }
            });

            if (that.settings.autoHide) {
                setTimeout(function () {
                    that.hide($this);
                }, that.settings.time)
            }

            if ($.isFunction(that.settings.confirm)) {
                $('.dialog-btn-confirm').on('click', function () {
                    that.settings.confirm();
                })
            }

            if ($.isFunction(that.settings.cancel)) {
                $('.dialog-btn-cancel').on('click', function () {
                    that.settings.cancel();
                })
            }

        }

    };

    $.fn[pluginName] = function (options) {
        this.each(function () {
            if (!$.data(this, "plugin_" + pluginName)) {
                $.data(this, "plugin_" + pluginName, new DialogBox(this, options));
            }
        });
        return this;
    };

})(jQuery, window, document)